.logo img{
    
    animation: rotate 2s infinite linear;
    
}
.fengche-up img{
    animation: rotate 3s infinite linear; 
    
}

@-webkit-keyframes rotate {
    0%{
       -webkit-transform: rotate(0deg);
        transform-origin: 50% 50%;
        -ms-transform:rotate(0deg); /* IE 9 */
    }
    
  
    50%{
        -webkit-transform: rotate(180deg);
        transform-origin: 50% 50%;
        -ms-transform:rotate(180deg); /* IE 9 */
     
    }
 
    100%{
        
        -webkit-transform: rotate(360deg);
        transform-origin: 50% 50%;
        -ms-transform:rotate(360deg); /* IE 9 */
    }
}